The following bug has been logged on the website:
Bug reference: 16645
Logged by: Y. NAKAGAWA
Email address: nakagawa@goodf.co.jp
PostgreSQL version: 13.0
Operating system: Windows 10 64bit
Description:
Repro steps:
1. Install postgresql-12.4-1-windows-x64.exe and
postgresql-13.0-1-windows-x64.exe.
2. Edit pg_hba.conf's on both servers to be able to connect to the servers
without password.
3. Open command prompt with administrator privilege and type:
cd %HOMEDRIVE%%HOMEPATH%
"C:\Program Files\PostgreSQL\13\bin\pg_upgrade.exe" -d "C:\Program
Files\PostgreSQL\12\data" -D "C:\Program Files\PostgreSQL\13\data" -b
"C:\Program Files\PostgreSQL\12\bin" -B "C:\Program Files\PostgreSQL\13\bin"
-U postgres
4. Open pgAdmin 4, connect to the PostgreSQL 13.0 server and expand the
Databases node.
Expected result:
The node has [postgres].
Actual result:
The node has [postgres] and [template1].